[  515.101782] bond0: (slave eth0): making interface the new active one
[  515.101857] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.243131] bond0: (slave eth0): Releasing backup interface
[  519.312497] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.471773] bond0: (slave eth0): Releasing backup interface
[  523.495734] bond0 (unregistering): Released all slaves